s2io: Remove UFO support.
authorDavid S. Miller <davem@davemloft.net>
Mon, 3 Jul 2017 13:28:56 +0000 (06:28 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 17 Jul 2017 16:52:57 +0000 (09:52 -0700)
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/neterion/s2io.c

index fd2ec36c6fa148de53c88cda66457e8c4fc29ef4..462eda926b1c46f4b202821597bc13cf0060a34d 100644 (file)
@@ -42,8 +42,6 @@
  *     aggregated as a single large packet
  * napi: This parameter used to enable/disable NAPI (polling Rx)
  *     Possible values '1' for enable and '0' for disable. Default is '1'
- * ufo: This parameter used to enable/disable UDP Fragmentation Offload(UFO)
- *      Possible values '1' for enable and '0' for disable. Default is '0'
  * vlan_tag_strip: This can be used to enable or disable vlan stripping.
  *                 Possible values '1' for enable , '0' for disable.
  *                 Default is '2' - which means disable in promisc mode
@@ -453,7 +451,6 @@ S2IO_PARM_INT(lro_max_pkts, 0xFFFF);
 S2IO_PARM_INT(indicate_max_pkts, 0);
 
 S2IO_PARM_INT(napi, 1);
-S2IO_PARM_INT(ufo, 0);
 S2IO_PARM_INT(vlan_tag_strip, NO_STRIP_IN_PROMISC);
 
 static unsigned int tx_fifo_len[MAX_TX_FIFOS] =
@@ -4128,32 +4125,6 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev)
        }
 
        frg_len = skb_headlen(skb);
-       if (offload_type == SKB_GSO_UDP) {
-               int ufo_size;
-
-               ufo_size = s2io_udp_mss(skb);
-               ufo_size &= ~7;
-               txdp->Control_1 |= TXD_UFO_EN;
-               txdp->Control_1 |= TXD_UFO_MSS(ufo_size);
-               txdp->Control_1 |= TXD_BUFFER0_SIZE(8);
-#ifdef __BIG_ENDIAN
-               /* both variants do cpu_to_be64(be32_to_cpu(...)) */
-               fifo->ufo_in_band_v[put_off] =
-                       (__force u64)skb_shinfo(skb)->ip6_frag_id;
-#else
-               fifo->ufo_in_band_v[put_off] =
-                       (__force u64)skb_shinfo(skb)->ip6_frag_id << 32;
-#endif
-               txdp->Host_Control = (unsigned long)fifo->ufo_in_band_v;
-               txdp->Buffer_Pointer = pci_map_single(sp->pdev,
-                                                     fifo->ufo_in_band_v,
-                                                     sizeof(u64),
-                                                     PCI_DMA_TODEVICE);
-               if (pci_dma_mapping_error(sp->pdev, txdp->Buffer_Pointer))
-                       goto pci_map_failed;
-               txdp++;
-       }
-
        txdp->Buffer_Pointer = pci_map_single(sp->pdev, skb->data,
                                              frg_len, PCI_DMA_TODEVICE);
        if (pci_dma_mapping_error(sp->pdev, txdp->Buffer_Pointer))
@@ -4161,8 +4132,6 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev)
 
        txdp->Host_Control = (unsigned long)skb;
        txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len);
-       if (offload_type == SKB_GSO_UDP)
-               txdp->Control_1 |= TXD_UFO_EN;
 
        frg_cnt = skb_shinfo(skb)->nr_frags;
        /* For fragmented SKB. */
@@ -4177,14 +4146,9 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev)
                                                             skb_frag_size(frag),
                                                             DMA_TO_DEVICE);
                txdp->Control_1 = TXD_BUFFER0_SIZE(skb_frag_size(frag));
-               if (offload_type == SKB_GSO_UDP)
-                       txdp->Control_1 |= TXD_UFO_EN;
        }
        txdp->Control_1 |= TXD_GATHER_CODE_LAST;
 
-       if (offload_type == SKB_GSO_UDP)
-               frg_cnt++; /* as Txd0 was used for inband header */
-
        tx_fifo = mac_control->tx_FIFO_start[queue];
        val64 = fifo->list_info[put_off].list_phy_addr;
        writeq(val64, &tx_fifo->TxDL_Pointer);
@@ -7910,11 +7874,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
                NETIF_F_RXCSUM | NETIF_F_LRO;
        dev->features |= dev->hw_features |
                NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
-       if (sp->device_type & XFRAME_II_DEVICE) {
-               dev->hw_features |= NETIF_F_UFO;
-               if (ufo)
-                       dev->features |= NETIF_F_UFO;
-       }
        if (sp->high_dma_flag == true)
                dev->features |= NETIF_F_HIGHDMA;
        dev->watchdog_timeo = WATCH_DOG_TIMEOUT;
@@ -8147,10 +8106,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
 
        DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n",
                  dev->name);
-       if (ufo)
-               DBG_PRINT(ERR_DBG,
-                         "%s: UDP Fragmentation Offload(UFO) enabled\n",
-                         dev->name);
        /* Initialize device name */
        snprintf(sp->name, sizeof(sp->name), "%s Neterion %s", dev->name,
                 sp->product_name);